// Copyright 2025 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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package mdldef

// JobMDL is a DDL job's MDL info.
// if we put this struct in the upper directory, there will be import cycle.
type JobMDL struct {
	// the schema version of the job we expect current instance have loaded
	Ver int64
	// the tables involved in this job. Before we proceed to the next job step,
	// we need to ensure all sessions that are accessing these tables are using
	// schema version >= Ver.
	TableIDs map[int64]struct{}
}
